Intrusion Prevention

MS.IE.Compressed.Content.URL.Heap.Overflow

Description

This indicates an attack attempt against a heap-overflow vulnerability in
Microsoft Internet Explorer.
The vulnerability is caused by improper bounds checking of an overly long URL when using IE to access a website that uses HTTP 1.1 compression. It could allow attackers to execute arbitrary code on the victim's system.

Affected Products

Microsoft Internet Explorer 6.0 SP1

Impact

System Compromise: Remote attackers can gain control of vulnerable systems.

Recommended Actions

Apply the patch, available from the vendor's web site:
http://www.microsoft.com/technet/security/bulletin/MS06-042.mspx

CVE References

CVE-2006-3869